CORE Series Released in 300 AAC Blackout

We are proud to announce the next addition to the Criterion CORE Series with 8.5″ and 10.5″ barrels chambered in .300 AAC Blackout.

With its continuous taper contour, CORE Series barrels are designed to maximize heat absorption, harmonics, accuracy, speed, balance and handling. Better performance through superior design.

AR-15 300 BLACKOUT CORE SERIES